package interceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

public class LoginInterceptor implements HandlerInterceptor {

	@Override
	public void afterCompletion(HttpServletRequest arg0, HttpServletResponse arg1, Object arg2, Exception arg3)
			throws Exception {
		// TODO Auto-generated method stub

	}

	@Override
	public void postHandle(HttpServletRequest request, HttpServletResponse response, Object object, ModelAndView mv)
			throws Exception {

	}

	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object object) throws Exception {
		StringBuffer url = request.getRequestURL();
		if (url.indexOf("/login") > 0 || url.indexOf("/register") > 0 || url.indexOf("/logout") > 0) {
			return true;
		}
		HttpSession session = request.getSession();
		if (session.getAttribute("loginUser") != null) {
			return true;
		}
		request.getRequestDispatcher("/WEB-INF/jsp/login.jsp").forward(request, response);
		return false;
	}

}
